XAML Back to Basics #13: DataTemplateSelector
How to display items in an ItemsControl using different templates
Android
XAML Back to Basics #11: Multiple Linked Lists
How to synchronize ListBoxes displaying three levels of hierarchical data
XAML Basics for WPF, UWP, Uno and WinUI
This is an index post for a series of blog posts covering some XAML basics. The original content came from a series of posts that Beatriz Stollnitz made on WPF/Silverlight that had been moved to a github repository. Unfortunately most of the samples don’t work out of the box with the latest version of Visual Studio … Read more
XAML Back to Basics #6: SelectedValue v SelectedItem
What is the difference between SelectedValue and SelectedItem?
XAML Back to Basics #4: ComboBox Binding
How to bind the items of a ComboBox (and get its ComboBoxItems
DotNetMaui (Xamarin.Forms) is Not a XAML Platform
Yeh I know I’m going to get a ton of abuse about how this title is just click bait but before you start with the comments, hear me out. Firstly, the title is actually just missing a word DotNetMaui is Not JUST a XAML Platform In this post we’ll go through why DotNetMaui/Xamarin.Forms is/is not … Read more
Building Messages in Blend for Visual Studio
The other day Martin Zikmond tweeted about a messaging sample app he’d built using the Uno Platform, allowing the same app to run on iOS, Android, Windows, MacOS and Web. Whilst the concept was simple enough, the point was that there was almost no platform specific code and yet the app works and looks virtually … Read more
Xamarin DevOps Snippets (aka Pipeline Templates)
Louis Matos has put together Xamarin Month with the topic of Code Snippets – Check out Louis’ blog for the full month of snippet. In this post I’m going to cover some code snippets that use Pipeline Templates in order to setup a Azure DevOps pipeline for your Xamarin application. Azure Pipeline Templates are a way … Read more
Consuming REST API with Swagger / OpenAPI in Xamarin and Uno Applications
I still recall the simplicity of standing up a SOAP service and adding a service reference via Visual Studio by simply entering the url to the WSDL – this scenario just worked…. until we moved on. There was a rapid progression away from the overly prescriptive XML based world of SOAP to REST based APIs. … Read more
Improving Developer Experience with Multi-Targeted Visual Studio Projects
In my previous post on using multi-targeted cross platform projects I showed how you can add additional target frameworks to allow the addition of platform specific code to a library. One of the downsides of this approach (versus perhaps using a shared project) is that the library gets built once for every target framework that’s … Read more
Cross-Platform Libraries with Multi-Targeting for Xamarin, Uno and Windows Development
The story of cross platform development for Microsoft developers has been one marked by iteration after iteration of .NET framework fragmentation. With .NET 5 the promise is that we’ll return to having a single framework that will be used everywhere…. Sorry, what?? when did we ever have a single framework? For as long as I … Read more